Feeding and discharging system

Abstract

The utility model discloses a feeding and discharging system, and relates to the technical field of industrial equipment, the feeding and discharging system is used for being matched with a material box for use, the material box is provided with a plurality of layers of material storage channels arranged in parallel in the height direction of the material box to store workpieces, the material box comprises a feeding material box for feeding materials and a discharging material box for receiving discharged materials, the feeding and discharging system comprises a base, a conveying belt, a feeding device and a discharging device, the conveying belt, the feeding device and the discharging device are all arranged on the base, the conveying belt conveys workpieces in the first direction, a feeding station and a discharging station are arranged in the first direction, the feeding device comprises a feeding mechanical arm and an ejection module which are arranged on the base, and the feeding mechanical arm moves a feeding material box; the ejection module ejects the workpieces located in the storage channel in the first direction, the discharging device is arranged corresponding to the discharging station, and the discharging device drives the discharging box to receive the workpieces. According to the technical scheme, the feeding and discharging system can take out the workpieces from the material box, the workpieces can be stored in the material box, and the steps of manual operation are simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial equipment, in particular to a loading and unloading system. Background Art

[0002] The loading device and the unloading device are an important part of an automated industrial equipment. Generally speaking, multiple workpieces are placed in a material box, and multiple chips to be processed are supported on the workpieces. In existing eutectic machine equipment, the workpieces in the material box are usually removed and then placed in the loading device for loading. After the workpieces are stacked on the unloading device, the workpieces need to be re-sealed in the feed box to protect the chips on the workpieces. Both removing and packaging the workpieces require manual operation, which is complicated and inefficient. Utility Model Content

[0003] The main purpose of the utility model is to provide a loading and unloading system, which aims to enable the loading and unloading system to take out workpieces from a material box and store the workpieces into the material box, so as to simplify the steps of manual operation.

[0004] To achieve the above-mentioned purpose, the loading and unloading system proposed in the utility model is used in conjunction with a material box. In the height direction of the material box, the material box has multiple layers of parallel storage channels, and the storage channels are used to store workpieces. The material box is provided with multiple material boxes, and the multiple material boxes include a loading box for loading materials to the loading and unloading system, and a unloading box for receiving unloading materials from the loading and unloading system. The loading and unloading system includes:

[0005] Base;

[0006] A conveyor belt is arranged on the base, and is used to convey the workpiece along a first direction, and a loading station and an unloading station are arranged in sequence in the first direction;

[0007] A loading device, comprising a loading robot and an ejection module respectively arranged on the base, the ejection module, the loading robot, and the loading station are arranged in sequence in the first direction, the loading robot is used to move the loading box in the up-down direction so that the plurality of storage channels are opposite to the ejection module in the first direction, and the ejection module is used to eject the workpiece located in the storage channel out of the loading station along the first direction; and

[0008] A material unloading device is arranged on the base and corresponds to the material unloading station. The material unloading device drives the material unloading box to receive the workpiece.

[0009] In one embodiment, the ejection module includes an ejection block and an ejection drive assembly that drives the ejection block to move along a first direction. The ejection block is disposed on a side of the loading robot away from the conveyor belt, and the ejection block can abut against the workpiece.

[0010] In one embodiment, the ejection block extends along a first direction, and the ejection drive assembly includes a first synchronous wheel, a second synchronous wheel, and an ejection drive member that is relatively arranged and drivingly connected to one of the first synchronous wheel and the second synchronous wheel. The first synchronous wheel and the second synchronous wheel jointly clamp the ejection block and rollingly drive the ejection block to move along the first direction.

[0011] In one embodiment, the first synchronous wheel includes a wheel body and an elastic rubber ring arranged around the wheel body in a circumferential direction, the wheel body is drivingly connected to the ejection driving member, and the elastic rubber ring abuts against the ejection block.

[0012] In one embodiment, the loading device also includes a first storage bracket and a first cache bracket, the first cache bracket is used to store the loading box, the first storage bracket is used to store the loading box that has completed loading, the loading robot moves between the first storage bracket and the first cache bracket, and has a first clamping station and a first storage station in sequence, the first clamping station is arranged corresponding to the first cache bracket, the first storage station is arranged corresponding to the first storage bracket, and the loading robot moves between the loading station, the first clamping station and the first storage station.

[0013] In one embodiment, the first storage bracket and the first cache bracket are arranged along the height direction, and the loading robot moves between the loading station, the first clamping station and the first storage station through a first transverse movement component and a first lifting component.

[0014] In one embodiment, a material box driving assembly is provided on the first cache bracket, and the material box driving assembly includes a synchronous belt, and a material box driving member that drives the synchronous belt to transmit the power, and the synchronous belt abuts against the material box to drive the material box to move in a direction close to the loading robot.

[0015] In one embodiment, the unloading device includes a unloading robot and a stop module respectively arranged on the base, and the stop module, the unloading robot, and the unloading station are arranged in sequence in the first direction. The unloading robot is used to move the unloading box in the up and down directions to make the multiple storage channels opposite to the stop module in the first direction, and the stop module is used to abut against the workpiece moving along the first direction in the storage channel.

[0016] In one embodiment, the stop module includes a stop block and a stop driving assembly driving the stop block to move along a first direction, the stop block extends along a height direction, and the stop block can abut against a workpiece in the unloading box.

[0017] In one embodiment, the unloading device also includes a second storage bracket and a second cache bracket, and the second cache bracket is used to store the unloading box, and the second storage bracket is used to store the unloading box after unloading, the unloading robot moves between the second storage bracket and the second cache bracket, and has a second clamping station and a second storage station in sequence, the second clamping station is arranged corresponding to the second cache bracket, and the second storage station is arranged corresponding to the second storage bracket, and the loading robot moves between the loading station, the second clamping station and the second storage station through the second transverse movement assembly and the second lifting assembly.

[0018] The loading and unloading system in the technical solution of the utility model is used in conjunction with a material box. In the height direction of the material box, the material box has multiple layers of parallel storage channels, the storage channels are used to store workpieces, and there are multiple material boxes. The multiple material boxes include a loading box for loading materials to the upper and lower material system, and a unloading box for receiving materials unloaded from the loading and unloading material system. The loading and unloading system includes a base, a conveyor belt, a loading device and a unloading device, wherein the conveyor belt, the loading device and the unloading device are all arranged on the base, the conveyor belt is used to transport the workpiece along a first direction, and a loading station and an unloading station are sequentially arranged in the first direction, and the loading device includes a loading manipulator and an ejection mold respectively arranged on the base. The ejection module, the loading robot, and the loading station are sequentially arranged in a first direction; the loading robot is used to move the loading box in the up-down direction to make the multiple storage channels face the ejection module in the first direction; the ejection module is used to eject the workpieces in the storage channels out of the loading station along the first direction, that is, the position of the ejection module is fixed, and the loading box is moved in the height direction so that the workpieces in the multiple storage channels in the loading box can be ejected out of the loading station one by one; after the conveyor belt receives the ejected workpieces, the workpieces are transported to the unloading station; the unloading device is arranged corresponding to the unloading station, and the unloading device drives the unloading box to receive the workpieces to realize material collection. Therefore, when employees replenish workpieces to the loading device, they can directly put the loading box on the loading device without removing the workpieces from the box. After employees take out the processed workpieces from the unloading device, they do not need to re-pack the workpieces in the box. They can directly put the unloading box into the unloading device and wait until the storage channels in the unloading box are filled with workpieces before taking out the unloading box. This effectively saves employees' operating time on the loading and unloading system and simplifies the steps for employees to feed and take out materials from the loading and unloading system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A structural schematic diagram of an embodiment of a loading and unloading system provided by the utility model;

[0021] Figure 2 for Figure 1 Structural schematic diagram of the middle feeding device;

[0022] Figure 3 for Figure 1 Another structural schematic diagram of the middle feeding device;

[0023] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0024] Figure 5 for Figure 1 Structural schematic diagram of the middle feeding device;

[0025] Figure 6 for Figure 5 A partial enlarged view of point B in the middle;

[0026] Figure 7 for Figure 1 Another structural schematic diagram of the middle feeding device.

[0027] Description of Figure Numbers:

[0028] 100, base;

[0029] 200, conveyor belt; 210, loading station; 220, unloading station;

[0030] 300, feeding device; 31, feeding manipulator; 32, ejection module; 321, ejection block; 322, ejection drive assembly; 323, first synchronous wheel; 324, wheel body; 325, elastic rubber ring; 326, second synchronous wheel; 327, ejection drive member; 33, first storage bracket; 34, first buffer bracket; 341, material box drive assembly; 342, synchronous belt; 343, material box drive member; 35, first traverse assembly; 36, first lifting assembly;

[0031] 400, unloading device; 41, unloading manipulator; 42, stop module; 421, stop block; 422, stop drive assembly; 43, second storage bracket; 44, second buffer bracket; 45, second traverse assembly; 46, second lifting assembly;

[0032] 500, material box; 51, material storage channel; 52, material loading box; 53, material unloading box.

[0033] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0037] The utility model provides a loading and unloading system.

[0038] See also Figures 1 to 7In one embodiment of the utility model, the loading and unloading system is used in conjunction with a material box 500. In the height direction of the material box 500, the material box 500 has multiple layers of parallel storage channels 51, and the storage channels 51 are used to store workpieces. The material box 500 is provided with multiple, and the multiple material boxes 500 include a loading box 52 for loading materials to the upper and lower material system, and a unloading box 53 for receiving materials unloaded from the loading and unloading system. The loading and unloading system includes a base 100, a conveyor belt 200, a loading device 300 and a unloading device 400, wherein the conveyor belt 200, the loading device 300 and the unloading device 400 are all arranged on the base 100, the conveyor belt 200 is used to transport the workpiece along a first direction, and a loading station 210 and an unloading station 220 are sequentially arranged in the first direction, and the loading device 300 includes a loading mechanism respectively arranged on the base 100 The hand 31 and the ejection module 32, the ejection module 32, the loading robot 31, and the loading station 210 are arranged in sequence in the first direction, the loading robot 31 is used to move the loading box 52 in the up and down direction to make the multiple storage channels 51 opposite to the ejection module 32 in the first direction, the ejection module 32 is used to eject the workpiece located in the storage channel 51 out of the loading station 210 along the first direction, that is, the position of the ejection module 32 is fixed, and the loading box 52 is moved in the height direction so that the workpieces in the multi-layer storage channels 51 in the loading box 52 can be ejected out of the loading station 210 one by one, after the conveyor belt 200 receives the ejected workpiece, the workpiece is transported to the unloading station 220, the unloading device 400 is arranged corresponding to the unloading station 220, and the unloading device 400 drives the unloading box 53 to receive the workpiece to realize material collection. Therefore, when the employee replenishes the workpieces to the upper feeding device 300, the loading box 52 can be directly placed on the loading device 300 without removing the workpieces from the box 500. After the employee takes out the processed workpieces from the unloading device 400, it is not necessary to re-pack the workpieces in the box 500. The unloading box 53 can be directly placed in the unloading device 400, and after the storage channels 51 in the unloading box 53 are all filled with workpieces, the unloading box 53 can be taken out. This effectively saves the employee's operating time on the loading and unloading system and simplifies the steps for the employee to feed and take out materials from the loading and unloading system.

[0039] In one embodiment, the ejection module 32 includes an ejection block 321 and an ejection drive assembly 322 that drives the ejection block 321 to move along a first direction. The ejection block 321 is disposed on a side of the feeding manipulator 31 away from the conveyor belt 200, and the ejection block 321 can abut against the workpiece. That is, the ejection block 321 can eject the workpiece out of the storage channel 51 so that the workpiece enters the conveyor belt 200. In other embodiments, a side wall of the feeding box 52 may be provided with an avoidance gap, and the ejection module 32 includes an ejection roller and an ejection drive assembly 322 that drives the ejection roller to move along a height direction. The ejection roller can abut against the workpieces in the storage channel 51 of different layers in turn, and roll and drive the workpiece to leave the storage channel 51.

[0040] In one embodiment, the ejection block 321 extends along the first direction, and the ejection drive assembly 322 includes a first synchronous wheel 323, a second synchronous wheel 326, and an ejection drive member 327 that is relatively arranged and driven and connected to one of the first synchronous wheel 323 and the second synchronous wheel 326. The first synchronous wheel 323 and the second synchronous wheel 326 jointly clamp the ejection block 321 and roll-drive the ejection block to move along the first direction. That is, the ejection block 321 can extend into the storage channel 51 under the drive of the ejection drive assembly 322 to eject the workpiece out of the storage channel 51. In other embodiments, the ejection drive assembly 322 can also have a relatively large speed on the ejection block 321, so that the ejection block 321 collides with the workpiece in the storage channel 51, and knocks the workpiece out of the storage channel 51. In another embodiment, the ejection drive assembly 322 can also include a motor or a cylinder with a telescopic rod.

[0041] In one embodiment, the first synchronous wheel 323 includes a wheel body 324 and an elastic rubber ring 325 arranged around the wheel body 324. The wheel body 324 is drivingly connected to the ejection drive member 327, and the elastic rubber ring 325 abuts against the ejection block 321. The elastic rubber ring 325 can increase the friction force with the ejection block 321 and buffer the clamping force of the first synchronous wheel 323 and the second synchronous wheel 326 on the ejection block 321 to a certain extent. In other embodiments, the wheel body 324 may not be provided with the elastic rubber ring 325, and the outer peripheral surface of the wheel body 324 may be provided with anti-slip stripes.

[0042] In one embodiment, the loading device 300 also includes a first storage bracket 33 and a first cache bracket 34. The first cache bracket 34 is used to store the loading box 52, and the first storage bracket 33 is used to store the loading box 52 that has completed loading. The loading robot 31 moves between the first storage bracket 33 and the first cache bracket 34, and has a first clamping station and a first storage station in sequence. The first clamping station is set corresponding to the first cache bracket 34, and the first storage station is set corresponding to the first storage bracket 33. The loading robot 31 moves between the loading station 210, the first clamping station and the first storage station. During the loading process, the loading manipulator 31 moves to the first clamping station, clamps the loading box 52, and then moves the loading box 52 to the loading station 210. The ejection block 321 ejects the workpieces in the loading box 52 at the loading station 210. When the workpieces in the loading box 52 are ejected from the storage channel 51, the loading manipulator 31 clamps the loading box 52 and moves to the first storage station, and stores the loading box 52 in the first storage bracket 33. In other embodiments, the first storage bracket 33 and the first cache bracket 34 may also be of the same structure.

[0043] In one embodiment, the first storage bracket 33 and the first buffer bracket 34 are arranged in the height direction, and the loading manipulator 31 moves between the loading station 210, the first clamping station and the first storage station through the first transverse movement component 35 and the first lifting component 36. After the loading manipulator 31 clamps the loading box 52 on the first buffer bracket 34, it moves a preset distance in the direction away from the first buffer bracket 34 through the first transverse movement component 35, and moves a preset distance through the lifting component, so that the loading box 52 is in the loading station 210, and then moves to the first storage bracket 33 through the first lifting component 36, and then approaches the first storage bracket 33 through the first transverse movement component 35, so as to place the loading box 52 on the first storage bracket 33. Further, the first buffer bracket 34 is arranged above the first storage bracket 33, and the loading station 210 is arranged between the first clamping station and the first storage station in the height direction. In other embodiments, the first storage bracket 33 and the first buffer bracket 34 can also be distributed in the horizontal direction.

[0044] In one embodiment, a material box 500 driving assembly 341 is provided on the first buffer support 34. The material box 500 driving assembly 341 includes a synchronous belt 342 and a material box 500 driving member 343 that drives the synchronous belt 342 to transmit. The synchronous belt 342 abuts against the material box 500 to drive the material box 500 to move in a direction close to the loading robot 31. The first buffer support 34 can store multiple loading material boxes 52 filled with workpieces to be processed. In order to facilitate the loading robot 31 to clamp the loading material boxes 52, when the loading material box 52 closest to the loading robot 31 is taken away, the synchronous belt 342 can drive the other loading material boxes 52 on the first buffer support 34 to move in a direction close to the loading robot 31 by the distance of one loading material box 52. In other embodiments, the first cache bracket 34 may not be provided with the material box 500 driving component 341 , and the loading robot 31 extends into the storage space on the first cache bracket 34 through the first transverse movement component 35 to clamp the loading material box 52 .

[0045] In one embodiment, the unloading device 400 includes an unloading manipulator 41 and a stopper module 42 respectively arranged on the base 100. The stopper module 42, the unloading manipulator 41, and the unloading station 220 are sequentially arranged in the first direction. The unloading manipulator 41 is used to move the unloading box 53 in the up-down direction to make the plurality of storage channels 51 face the stopper module 42 in the first direction. The stopper module 42 is used to abut against the workpiece moving in the first direction in the storage channel 51. The conveyor belt 200 can deliver the workpiece into the storage channel 51 at a certain initial velocity. When the workpiece is located in the unloading box 53, the stopper module 42 can collide with the workpiece to stop the workpiece from moving in the storage channel 51.

[0046] In one embodiment, the stopper module 42 includes a stopper block 421 and a stopper driving assembly 422 for driving the stopper block 421 to move along a first direction. The stopper block 421 extends in a height direction, that is, when the unloading material box 53 is located on the unloading station 220, the uppermost material storage channel 51 and the lowermost material storage channel 51 thereof can be partially covered by the stopper block 421, and the stopper block 421 can abut against the workpiece in the unloading material box 53. In the process of the workpiece entering the storage channel 51 at a certain initial velocity, the workpiece may collide with the stopper block 421, or may stop moving before the collision with the stopper block 421. Therefore, after the unloading material box 53 is filled with workpieces, the workpieces are arranged unevenly in the unloading material box 53. At this time, the stopper driving assembly 422 can drive the stopper block 421 to move in a direction close to the unloading station 220, so as to abut against the workpiece partially extending out of the unloading material box 53, and push the workpiece to be flush with the edge of the material box 500. Further, the stopper drive assembly 422 includes a drive member having a telescopic rod, such as a motor or a telescopic cylinder. In other embodiments, the stopper drive assembly 422 may not be provided.

[0047] In one embodiment, the unloading device 400 also includes a second storage bracket 43 and a second cache bracket 44, and the second cache bracket 44 is used to store the unloading material box 53, and the second storage bracket 43 is used to store the unloading material box 53 after unloading, and the unloading robot 41 moves between the second storage bracket 43 and the second cache bracket 44 through the second transverse movement component 45 and the second lifting component 46, and has a second clamping station and a second storage station in sequence, the second clamping station is arranged corresponding to the second cache bracket 44, and the second storage station is arranged corresponding to the second storage bracket 43, and the loading robot 31 moves between the loading station 210, the second clamping station and the second storage station, wherein the second cache bracket 44 is also provided with a material box 500 driving component 341 to drive the unloading material box 53 to approach the unloading robot 41, the second cache bracket 44 is arranged below the second storage bracket 43, and the unloading station 220 is arranged between the second cache bracket 44 and the second storage bracket 43. That is, the specific structures of the unloading manipulator 41, the second transverse moving assembly 45, the second lifting assembly 46, the second storage bracket 43 and the second buffer bracket 44 in the unloading device 400 are respectively consistent with the specific structures of the loading manipulator 31, the first transverse moving assembly 35, the first lifting assembly 36, the first storage bracket 33 and the first buffer bracket 34 in the loading device 300, and are not described one by one here. In the material receiving process of the unloading device 400, after the unloading manipulator 41 moves the unloading material box 53 to the unloading station 220, the second lifting assembly 46 drives the unloading manipulator 41 to move up or down, so that the workpieces can be stored layer by layer in the storage channel 51.

[0048] In one embodiment, the loading device 300 and the unloading device 400 are respectively covered with a loading machine housing and a unloading machine housing, which can effectively protect the internal structure of the loading device 300 and the unloading device 400, and the material box 500 located in the loading device 300 and the unloading device 400.

[0049] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A loading and unloading system for use with a material box, wherein in the height direction of the material box, the material box has multiple layers of parallel storage channels, the storage channels are used to store workpieces, the material box is provided with a plurality of material boxes, the plurality of material boxes include a loading box for loading materials to the loading and unloading system, and a unloading box for receiving unloaded materials from the loading and unloading system, characterized in that: The loading and unloading system comprises: Base; A conveyor belt is arranged on the base, and is used to convey the workpiece along a first direction, and a loading station and an unloading station are arranged in sequence in the first direction; A loading device, comprising a loading robot and an ejection module respectively arranged on the base, the ejection module, the loading robot, and the loading station are arranged in sequence in the first direction, the loading robot is used to move the loading box in the up-down direction so that the plurality of storage channels are opposite to the ejection module in the first direction, and the ejection module is used to eject the workpiece located in the storage channel out of the loading station along the first direction; and A material unloading device is arranged on the base and corresponds to the material unloading station. The material unloading device drives the material unloading box to receive the workpiece.

2. The loading and unloading system according to claim 1, characterized in that: The ejection module includes an ejection block and an ejection drive assembly driving the ejection block to move along a first direction. The ejection block is arranged on a side of the feeding robot away from the conveyor belt, and the ejection block can abut against the workpiece.

3. The loading and unloading system according to claim 2, characterized in that: The ejector block extends along a first direction, and the ejector drive assembly includes a first synchronous wheel, a second synchronous wheel, and an ejector drive member that is relatively arranged and drivingly connected to one of the first synchronous wheel and the second synchronous wheel. The first synchronous wheel and the second synchronous wheel jointly clamp the ejector block and rollingly drive the ejector block to move along the first direction.

4. The loading and unloading system according to claim 3, characterized in that: The first synchronous wheel comprises a wheel body and an elastic rubber ring arranged around the wheel body in a circumferential direction. The wheel body is drivingly connected to the ejection driving member, and the elastic rubber ring abuts against the ejection block.

5. The loading and unloading system according to claim 1, characterized in that: The loading device also includes a first storage bracket and a first cache bracket, the first cache bracket is used to store the loading box, the first storage bracket is used to store the loading box after loading, the loading robot moves between the first storage bracket and the first cache bracket, and has a first clamping station and a first storage station in sequence, the first clamping station is arranged corresponding to the first cache bracket, the first storage station is arranged corresponding to the first storage bracket, and the loading robot moves between the loading station, the first clamping station and the first storage station.

6. The loading and unloading system according to claim 5, characterized in that: The first storage bracket and the first cache bracket are arranged along the height direction, and the loading robot moves between the loading station, the first clamping station and the first storage station through a first transverse movement component and a first lifting component.

7. The loading and unloading system according to claim 5, characterized in that: A material box driving assembly is provided on the first cache bracket, and the material box driving assembly includes a synchronous belt and a material box driving member that drives the synchronous belt to transmit the power. The synchronous belt abuts against the material box to drive the material box to move in a direction close to the feeding robot.

8. The loading and unloading system according to claim 1, characterized in that: The unloading device includes an unloading robot and a stop module respectively arranged on the base, the stop module, the unloading robot, and the unloading station are arranged in sequence in the first direction, the unloading robot is used to move the unloading box in the up and down directions to make the multiple storage channels face the stop module in the first direction, and the stop module is used to abut against the workpiece moving in the first direction in the storage channel.

9. The loading and unloading system according to claim 8, characterized in that: The stop module includes a stop block and a stop driving assembly driving the stop block to move along a first direction. The stop block extends along a height direction, and the stop block can abut against a workpiece in the unloading box.

10. The loading and unloading system according to claim 8, characterized in that: The unloading device also includes a second storage bracket and a second cache bracket, and the second cache bracket is used to store the unloading box, and the second storage bracket is used to store the unloading box after unloading. The unloading robot moves between the second storage bracket and the second cache bracket, and has a second clamping station and a second storage station in sequence. The second clamping station is arranged corresponding to the second cache bracket, and the second storage station is arranged corresponding to the second storage bracket. The loading robot moves between the loading station, the second clamping station and the second storage station through a second transverse movement assembly and a second lifting assembly.

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